Niceville, Florida (or, in this case, Not-So-Niceville): Yep yep, that’s where Dustin Lynch was at. Lynch performed at MulletFest on Friday night, wrapping his set with a cover of Garth Brooks’ cult classic “Friends in Low Places.” As Lynch moved on to the catwalk to get closer to the crowd, he was blindsided by a full beer can as it was flung from the audience and hit Lynch in the face. Though Lynch...